package net.citizensnpcs.nms.v1_21_R6.entity;

import java.util.Optional;

import org.bukkit.Bukkit;
import org.bukkit.NamespacedKey;
import org.bukkit.craftbukkit.v1_21_R6.CraftServer;
import org.bukkit.craftbukkit.v1_21_R6.entity.CraftLivingEntity;
import org.bukkit.craftbukkit.v1_21_R6.entity.CraftMannequin;
import org.bukkit.entity.LivingEntity;

import com.mojang.authlib.GameProfile;
import com.mojang.datafixers.util.Either;

import net.citizensnpcs.api.npc.NPC;
import net.citizensnpcs.nms.v1_21_R6.util.ForwardingNPCHolder;
import net.citizensnpcs.nms.v1_21_R6.util.MobAI;
import net.citizensnpcs.nms.v1_21_R6.util.MobAI.ForwardingMobAI;
import net.citizensnpcs.nms.v1_21_R6.util.NMSBoundingBox;
import net.citizensnpcs.nms.v1_21_R6.util.NMSImpl;
import net.citizensnpcs.npc.CitizensNPC;
import net.citizensnpcs.npc.ai.NPCHolder;
import net.citizensnpcs.npc.skin.SkinPacketTracker;
import net.citizensnpcs.npc.skin.SkinnableEntity;
import net.citizensnpcs.npc.skin.SkinnableEntity.ForwardingSkinnableEntity;
import net.citizensnpcs.util.NMS;
import net.citizensnpcs.util.SkinProperty;
import net.citizensnpcs.util.Util;
import net.minecraft.core.BlockPos;
import net.minecraft.core.ClientAsset.ResourceTexture;
import net.minecraft.network.syncher.EntityDataAccessor;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.server.level.ServerPlayer;
import net.minecraft.sounds.SoundEvent;
import net.minecraft.tags.TagKey;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Avatar;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.decoration.Mannequin;
import net.minecraft.world.entity.player.PlayerModelType;
import net.minecraft.world.entity.player.PlayerSkin.Patch;
import net.minecraft.world.entity.vehicle.AbstractMinecart;
import net.minecraft.world.entity.vehicle.Boat;
import net.minecraft.world.item.component.ResolvableProfile;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.material.Fluid;
import net.minecraft.world.level.material.PushReaction;
import net.minecraft.world.level.portal.TeleportTransition;
import net.minecraft.world.level.storage.ValueOutput;
import net.minecraft.world.phys.AABB;
import net.minecraft.world.phys.Vec3;

public class MannequinController extends MobEntityController {
    public MannequinController() {
        super(EntityMannequinNPC.class, EntityType.MANNEQUIN);
    }

    @Override
    public org.bukkit.entity.Mannequin getBukkitEntity() {
        return (org.bukkit.entity.Mannequin) super.getBukkitEntity();
    }

    public static class EntityMannequinNPC extends Mannequin implements NPCHolder, SkinnableEntity, ForwardingMobAI {
        private final MobAI ai;
        private final CitizensNPC npc;
        private final SkinPacketTracker skinTracker;

        public EntityMannequinNPC(EntityType<? extends Mannequin> types, Level level) {
            this(types, level, null);
        }

        public EntityMannequinNPC(EntityType<? extends Mannequin> types, Level level, NPC npc) {
            super(level);
            this.npc = (CitizensNPC) npc;
            if (npc != null && !npc.useMinecraftAI()) {
                setHideDescription(true);
                skinTracker = new SkinPacketTracker(this);
                ai = new BasicMobAI(this);
            } else {
                ai = null;
                skinTracker = null;
            }
        }

        @Override
        public void applyTexture(SkinProperty property) {
            setProfile(ResolvableProfile.createResolved(property.applyProperties(getProfile().partialProfile())));
        }

        @Override
        public boolean broadcastToPlayer(ServerPlayer player) {
            return NMS.shouldBroadcastToPlayer(npc, () -> super.broadcastToPlayer(player));
        }

        @Override
        protected boolean canRide(Entity entity) {
            if (npc != null && (entity instanceof Boat || entity instanceof AbstractMinecart))
                return !npc.isProtected();
            return super.canRide(entity);
        }

        @Override
        public boolean causeFallDamage(double f, float f1, DamageSource damagesource) {
            if (npc == null || !npc.isFlyable())
                return super.causeFallDamage(f, f1, damagesource);
            return false;
        }

        @Override
        public void checkDespawn() {
            if (npc == null) {
                super.checkDespawn();
            }
        }

        @Override
        protected void checkFallDamage(double d0, boolean flag, BlockState iblockdata, BlockPos blockposition) {
            if (npc == null || !npc.isFlyable()) {
                super.checkFallDamage(d0, flag, iblockdata, blockposition);
            }
        }

        @Override
        public GameProfile gameProfile() {
            return getProfile().partialProfile();
        }

        @Override
        public MobAI getAI() {
            return ai;
        }

        @Override
        public CraftLivingEntity getBukkitEntity() {
            if (npc != null && !(super.getBukkitEntity() instanceof NPCHolder)) {
                NMSImpl.setBukkitEntity(this, new MannequinNPC(this));
            }
            return (CraftLivingEntity) super.getBukkitEntity();
        }

        @Override
        protected SoundEvent getDeathSound() {
            return NMSImpl.getSoundEffect(npc, super.getDeathSound(), NPC.Metadata.DEATH_SOUND);
        }

        @Override
        protected SoundEvent getHurtSound(DamageSource damagesource) {
            return NMSImpl.getSoundEffect(npc, super.getHurtSound(damagesource), NPC.Metadata.HURT_SOUND);
        }

        @Override
        public float getJumpPower() {
            return NMS.getJumpPower(npc, super.getJumpPower());
        }

        @Override
        public int getMaxFallDistance() {
            return NMS.getFallDistance(npc, super.getMaxFallDistance());
        }

        @Override
        public NPC getNPC() {
            return npc;
        }

        @Override
        public PushReaction getPistonPushReaction() {
            return Util.callPistonPushEvent(npc) ? PushReaction.IGNORE : super.getPistonPushReaction();
        }

        @Override
        public SkinPacketTracker getSkinTracker() {
            return skinTracker;
        }

        @Override
        public boolean isPushable() {
            return npc == null ? super.isPushable()
                    : npc.data().<Boolean> get(NPC.Metadata.COLLIDABLE, !npc.isProtected());
        }

        @Override
        public void knockback(double strength, double dx, double dz) {
            NMS.callKnockbackEvent(npc, (float) strength, dx, dz, evt -> super.knockback((float) evt.getStrength(),
                    evt.getKnockbackVector().getX(), evt.getKnockbackVector().getZ()));
        }

        @Override
        protected AABB makeBoundingBox(Vec3 vec3) {
            return NMSBoundingBox.makeBB(npc, super.makeBoundingBox(vec3));
        }

        @Override
        public boolean onClimbable() {
            if (npc == null || !npc.isFlyable()) {
                return super.onClimbable();
            } else {
                return false;
            }
        }

        @Override
        public void onSyncedDataUpdated(EntityDataAccessor<?> datawatcherobject) {
            if (npc == null) {
                super.onSyncedDataUpdated(datawatcherobject);
                return;
            }
            NMSImpl.checkAndUpdateHeight(this, datawatcherobject, super::onSyncedDataUpdated);
        }

        @Override
        public void push(Entity entity) {
            // this method is called by both the entities involved - cancelling
            // it will not stop the NPC from moving.
            super.push(entity);
            if (npc != null) {
                Util.callCollisionEvent(npc, entity.getBukkitEntity());
            }
        }

        @Override
        public boolean save(ValueOutput save) {
            return npc == null ? super.save(save) : false;
        }

        @Override
        public void setSkinFlags(byte flags) {
            getEntityData().set(Avatar.DATA_PLAYER_MODE_CUSTOMISATION, flags);
        }

        @Override
        public void setSkinPatch(PlayerSkinModelType type, NamespacedKey body, NamespacedKey cape,
                NamespacedKey elytra) {
            setProfile(
                    new ResolvableProfile.Static(Either.left(getProfile().partialProfile()),
                            new Patch(
                                    body == null ? Optional.empty()
                                            : Optional.of(new ResourceTexture(ResourceLocation
                                                    .fromNamespaceAndPath(body.getNamespace(), body.getKey()))),
                                    cape == null
                                            ? Optional.empty()
                                            : Optional.of(new ResourceTexture(ResourceLocation
                                                    .fromNamespaceAndPath(cape.getNamespace(), cape.getKey()))),
                                    elytra == null
                                            ? Optional.empty()
                                            : Optional.of(new ResourceTexture(ResourceLocation
                                                    .fromNamespaceAndPath(elytra.getNamespace(), elytra.getKey()))),
                                    Optional.of(type == PlayerSkinModelType.SLIM ? PlayerModelType.SLIM
                                            : PlayerModelType.WIDE))));
        }

        @Override
        public Entity teleport(TeleportTransition transition) {
            if (npc == null || transition.newLevel().dimension().equals(level().dimension()))
                return super.teleport(transition);
            return NMSImpl.teleportAcrossWorld(this, transition);
        }

        @Override
        public void tick() {
            super.tick();
            if (npc == null)
                return;
            npc.update();
            tickAI();
        }

        @Override
        public void travel(Vec3 vec3d) {
            if (npc == null || !npc.isFlyable()) {
                super.travel(vec3d);
            } else {
                NMSImpl.moveLogic(this, vec3d);
            }
        }

        @Override
        public boolean updateFluidHeightAndDoFluidPushing(TagKey<Fluid> tagkey, double d0) {
            if (npc == null)
                return super.updateFluidHeightAndDoFluidPushing(tagkey, d0);
            Vec3 old = getDeltaMovement().add(0, 0, 0);
            boolean res = super.updateFluidHeightAndDoFluidPushing(tagkey, d0);
            if (!npc.isPushableByFluids()) {
                setDeltaMovement(old);
            }
            return res;
        }
    }

    public static class MannequinNPC extends CraftMannequin implements ForwardingNPCHolder, ForwardingSkinnableEntity {
        public MannequinNPC(EntityMannequinNPC entity) {
            super((CraftServer) Bukkit.getServer(), entity);
        }

        @Override
        public LivingEntity getBukkitEntity() {
            return (LivingEntity) entity;
        }

        @Override
        public SkinnableEntity getUnderlying() {
            return (SkinnableEntity) entity;
        }
    }
}
